CN218333614U - Ultrathin high-load relay - Google Patents

Abstract

The utility model relates to an ultra-thin high load relay, including base, shell, electromagnetic component, the contact system of setting on the base, contact system including set up movable contact spring on the base, set up on the base and with two static contacts of movable contact spring matched with, the base on be provided with the storage tank, electromagnetic component set up in the storage tank, electromagnetic component including the yoke that sets up in the storage tank, set up coil skeleton on the yoke, set up coil on coil skeleton, set up iron core, the activity in coil skeleton and set up on the base and with iron core matched with armature, the base on slide and be provided with the push pedal, the one end of push pedal connect on armature, and constitute the linkage cooperation of push pedal and armature, the other end of push pedal is connected on movable contact spring, and constitutes the linkage cooperation of movable contact spring and push pedal. The utility model has the advantages of simple structure, stable performance are reliable, the assembly is convenient, high sensitivity, ultra-thin, high load.

Description

Ultrathin high-load relay

Technical Field

The utility model particularly relates to an electromagnetic relay, concretely relates to ultra-thin high load relay.

Background

An electromagnetic relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is usually applied in an automatic control circuit, and which is actually an "automatic switch" that uses a smaller current and a lower voltage to control a larger current and a higher voltage. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. With the development of low-voltage electrical appliances, the application of the electromagnetic relay is more and more extensive, and the requirement on the electromagnetic relay is higher and higher. The structure design of the existing electromagnetic relay is unreasonable, the size of the electromagnetic relay is large, the thickness of the electromagnetic relay is thick, the creepage distance between an electromagnetic assembly and a contact system is small, and the electromagnetic relay also has the defects of small contact load capacity and low sensitivity.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, high sensitivity's ultra-thin high load relay.

For realizing the above-mentioned purpose, the utility model discloses an ultra-thin high load relay, including base, shell, electromagnetic component, the contact system of setting on the base, contact system including set up movable contact spring on the base, set up on the base and with two static contacts of movable contact spring matched with, the base on be provided with the storage tank, electromagnetic component set up in the storage tank, electromagnetic component including setting up yoke, the coil skeleton of setting on the yoke, setting up the coil on the coil skeleton, setting up iron core, the activity setting in the coil skeleton in the base and with iron core matched with armature in the storage tank, the base on slide and be provided with the push pedal, the one end of push pedal connect on armature, and constitute the linkage cooperation of push pedal and armature, the other end of push pedal connect on movable contact spring, and constitute the linkage cooperation of movable contact spring and push pedal.

The beneficial effect of above-mentioned structure is: set up the electromagnetism subassembly in the storage tank of base, separate electromagnetism subassembly and contact system, can increase the creepage distance of electromagnetism subassembly and contact system, electromagnetism subassembly and contact system can not influence each other, and this structural design's electromagnetism subassembly, and structural layout is more reasonable, and the yoke can not occupy the space of static contact, movable contact spring to this relay has simple structure, stable performance is reliable, the assembly is convenient, high sensitivity, ultra-thin, the advantage of high load.

Particularly, one end of the iron core is provided with an attraction block which is exposed outside the coil framework and matched with the armature, and the cross-sectional area of the attraction block is larger than that of the iron core. The iron core is provided with an attraction block which is attracted with the armature, and the attraction block has large area and is beneficial to increasing the attraction force of the iron core.

Particularly, an isolation groove is formed in the base and corresponds to the position between the two fixed contacts, the movable spring is movably arranged in the isolation groove, a contact pin is arranged on the base and corresponds to the movable spring, and one end of the movable spring penetrates through the isolation groove and is connected to the contact pin. The movable contact spring is arranged in the isolation groove, and the movable contact spring is isolated from the two static contacts, so that the creepage distance of the relay is favorably increased. The movable spring is fixed on the base through the contact pin, and the movable spring can deform under the action of small force, so that the sensitivity of the relay is improved.

Particularly, the other end of the movable spring is bent and extended towards the push plate, and a strip-shaped hollow hole is formed in the movable spring along the length direction. The strip-shaped hollow holes are formed in the movable spring piece, so that the elasticity of the movable spring piece can be enhanced, and the sensitivity of the relay can be improved.

Particularly, a limiting bump is arranged on the base corresponding to the push plate, a guiding sliding hole matched with the limiting bump is formed in the push plate, the limiting bump is inserted into the guiding sliding hole, and the push plate is in sliding connection and matching with the base. The push plate slides and sets up on the base to can guarantee that the push plate can reliably slide on the base, be favorable to improving the operational reliability of this relay.

Particularly, the coil framework is respectively provided with two pins exposed out of the base, and the two pins are respectively electrically connected with the coil. The coil is connected on the contact pin, and a plug-in type wiring mode is adopted, so that the wiring of the coil is facilitated.

Particularly, one side of yoke on be provided with the location boss, the base on be provided with location boss matched with locating hole, the location boss block in the locating hole, and constitute the joint cooperation of yoke and base. The yoke clamps in the storage tank of base to the modularization assembly of the electromagnetic component of being convenient for, the assembly is more convenient.

Particularly, one end of the push plate is provided with two positioning columns, the other end of the movable spring is respectively provided with two positioning sheets matched with the two positioning columns, the two positioning sheets are respectively provided with a positioning hole, and the positioning columns are clamped in the positioning holes and form linkage matching of the movable spring and the push plate. The push plate pushes the movable contact spring through the two positioning columns, so that the movable contact spring can be ensured to be stably and reliably contacted with the static contact, and the working reliability of the electromagnetic relay is improved.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is an internal structure diagram of the embodiment of the present invention.

Fig. 4 is a perspective view of the movable spring plate according to the embodiment of the present invention.

Fig. 5 is a perspective view of a push plate according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1-5, an embodiment of the present invention is an ultra-thin high-load relay, including base 10, shell 11, electromagnetic component 20, contact system 30 set on base 10, contact system 30 including set up movable contact spring 31 on base 10, set up on base 10 and with two static contacts 32 of movable contact spring 31 matched with, base 10 on be provided with storage tank 100, electromagnetic component 20 set up in storage tank 100, electromagnetic component 20 including set up yoke 21 in storage tank 100, set up coil skeleton 22 on yoke 21, set up coil 23 on coil skeleton 22, set up iron core 24 in coil skeleton 22, activity set up on base 10 and with iron core 24 matched with armature 25, base 10 on slide and be provided with push pedal 12, the one end of push pedal 12 connect on armature 25, and constitute the linkage cooperation of push pedal 12 and armature 25, the other end of push pedal 12 connect on movable contact spring 31, and constitute the linkage cooperation of movable contact spring 31 and push pedal 12. One end of the iron core 24 is provided with an attraction block 241 which is exposed outside the coil framework 22 and matched with the armature 25, and the cross-sectional area of the attraction block 241 is larger than that of the iron core 24. The iron core is provided with the attraction block which is attracted with the armature, and the attraction block has large area and is beneficial to increasing the attraction force of the iron core.

As shown in fig. 3 to 5, an isolation groove 101 is disposed on the base 10 corresponding to a position between the two stationary contacts 32, the movable spring plate 31 is movably disposed in the isolation groove 101, a pin 13 is disposed on the base 10 corresponding to the movable spring plate 31, and one end of the movable spring plate 31 passes through the isolation groove 101 and is connected to the pin 13. The movable contact spring is arranged in the isolation groove, and the movable contact spring and the two fixed contacts are isolated from each other, so that the creepage distance of the relay is favorably increased. The movable contact spring is fixed on the base through the contact pin, and the movable contact spring can be deformed by small force, so that the sensitivity of the relay can be improved. The other end of the movable spring piece 31 bends and extends towards the push plate 12, and a strip-shaped hollow hole 311 is formed in the movable spring piece 31 along the length direction. The strip-shaped hollow holes are formed in the movable spring piece, so that the elasticity of the movable spring piece can be enhanced, and the sensitivity of the relay can be improved. The base 10 is provided with a limiting bump 102 corresponding to the pushing plate 12, the pushing plate 12 is provided with a guiding sliding hole 121 matched with the limiting bump 102, and the limiting bump 102 is inserted into the guiding sliding hole 121 and forms sliding connection matching between the pushing plate 12 and the base 10. The push plate slides and is arranged on the base, so that the push plate can reliably slide on the base, and the working reliability of the relay is improved.

As shown in fig. 1 and 2, the bobbin 22 is respectively provided with two pins 14 exposed outside the base 10, and the two pins 14 are respectively electrically connected with the coil 23. The coil is connected on the contact pin, and a plug-in type wiring mode is adopted, so that the wiring of the coil is facilitated. One side of yoke 21 on be provided with location boss 211, base 10 on be provided with location boss 211 matched with locating hole 103, location boss 211 block in locating hole 103, and constitute the joint cooperation of yoke 21 and base 10. The yoke clamps in the storage tank of base to the modularization assembly of the electromagnetic component of being convenient for, the assembly is more convenient. One end of the push plate 12 is provided with two positioning posts 122, the other end of the movable spring 31 is respectively provided with two positioning pieces 312 matched with the two positioning posts 122, the two positioning pieces 312 are respectively provided with a positioning hole 313, and the positioning posts 122 are clamped in the positioning holes 313 to form linkage matching of the movable spring 31 and the push plate 12. The push plate pushes the movable contact spring through the two positioning columns, so that the movable contact spring can be ensured to be stably and reliably contacted with the static contact, and the working reliability of the electromagnetic relay is improved.

Set up the electromagnetism subassembly in the storage tank of base, separate electromagnetism subassembly and contact system, can increase the creepage distance of electromagnetism subassembly and contact system, electromagnetism subassembly and contact system can not influence each other, and this structural design's electromagnetism subassembly, and structural layout is more reasonable, and the yoke can not occupy the space of static contact, movable contact spring to this relay has simple structure, stable performance is reliable, the assembly is convenient, high sensitivity, ultra-thin, the advantage of high load.

Claims (8)

1. The utility model provides an ultra-thin high load relay, includes the base, sets up shell, electromagnetism subassembly, the contact system on the base, the contact system including set up movable contact spring on the base, set up on the base and with two static contacts of movable contact spring matched with, its characterized in that: the base on be provided with the storage tank, the electromagnetic component set up in the storage tank, the electromagnetic component including set up yoke in the storage tank, set up coil skeleton on the yoke, set up coil on coil skeleton, set up iron core, the activity setting in coil skeleton on the base and with iron core matched with armature, the base on slide and be provided with the push pedal, the one end of push pedal connect on armature, and constitute the linkage cooperation of push pedal and armature, the other end of push pedal connect on the movable reed, and constitute the linkage cooperation of movable reed and push pedal.

2. The ultra-thin high load relay of claim 1, wherein: one end of the iron core is provided with an attraction block which is exposed outside the coil framework and matched with the armature, and the cross-sectional area of the attraction block is larger than that of the iron core.

3. The ultra-thin high load relay according to claim 1 or 2, wherein: an isolation groove is formed in the base corresponding to the position between the two static contacts, the movable spring is movably arranged in the isolation groove, a contact pin is arranged on the base corresponding to the movable spring, and one end of the movable spring penetrates through the isolation groove and is connected to the contact pin.

4. The ultra-thin high load relay of claim 3, wherein: the other end of the movable spring is bent and extended towards the push plate, and a strip-shaped hollow hole is formed in the movable spring along the length direction.

5. The ultra-thin high load relay according to claim 1 or 2, wherein: the base on correspond push pedal department be provided with spacing lug, the push pedal on be provided with spacing lug matched with direction slide hole, spacing lug alternate in direction slide hole, and constitute the sliding connection cooperation of push pedal and base.

6. The ultra-thin high load relay according to claim 1 or 2, wherein: the coil framework is respectively provided with two pins exposed outside the base, and the two pins are respectively electrically connected with the coil.

7. The ultra-thin high load relay according to claim 1 or 2, wherein: one side of yoke on be provided with the location boss, the base on be provided with location boss matched with locating hole, location boss block in the locating hole, and constitute the joint cooperation of yoke and base.

8. The ultra-thin high load relay according to claim 1 or 2, wherein: one end of the push plate is provided with two positioning columns, the other end of the movable spring is respectively provided with two positioning sheets matched with the two positioning columns, the two positioning sheets are respectively provided with a positioning hole, and the positioning columns are clamped in the positioning holes and form linkage matching of the movable spring and the push plate.

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